diff --git a/README.md b/README.md
index 7f67c785f..01e6c45c6 100644
--- a/README.md
+++ b/README.md
@@ -253,7 +253,7 @@ OPTIONS
             useful in cases where data produced by git-sync is used by a
             different UID.  This replaces the older --change-permissions flag.
 
-    -h, --help
+    -?, -h, --help
             Print help text and exit.
 
     --http-bind <string>, $GITSYNC_HTTP_BIND
diff --git a/main.go b/main.go
index 99d8500d6..b253c403e 100644
--- a/main.go
+++ b/main.go
@@ -2283,7 +2283,7 @@ OPTIONS
             useful in cases where data produced by git-sync is used by a
             different UID.  This replaces the older --change-permissions flag.
 
-    -h, --help
+    -?, -h, --help
             Print help text and exit.
 
     --http-bind <string>, $GITSYNC_HTTP_BIND